51 	rtc->nvram = devm_kzalloc(rtc->dev.parent,  in rtc_nvram_register()
54 	if (!rtc->nvram)  in rtc_nvram_register()
57 	rtc->nvram->attr.name = "nvram";  in rtc_nvram_register()
58 	rtc->nvram->attr.mode = 0644;  in rtc_nvram_register()
59 	rtc->nvram->private = rtc;  in rtc_nvram_register()
61 	sysfs_bin_attr_init(rtc->nvram);  in rtc_nvram_register()
63 	rtc->nvram->read = rtc_nvram_read;  in rtc_nvram_register()
64 	rtc->nvram->write = rtc_nvram_write;  in rtc_nvram_register()
65 	rtc->nvram->size = size;  in rtc_nvram_register()
68 				    rtc->nvram);  in rtc_nvram_register()
70 		devm_kfree(rtc->dev.parent, rtc->nvram);  in rtc_nvram_register()
71 		rtc->nvram = NULL;  in rtc_nvram_register()
79 	sysfs_remove_bin_file(&rtc->dev.parent->kobj, rtc->nvram);  in rtc_nvram_unregister()
114 	if (rtc->nvram)  in rtc_nvmem_unregister()